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Inventor

Kazutoshi Fujisawa

Inventor
Okaya, JP

Overview

42→
Patents
1993–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 42 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Jprimary
B41JTypewriters34%
G03GElectrography26%
B41MPrinting, duplicating, marking, or copying processes16%
B29CShaping or joining of plastics3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
C23CCoating metallic material2%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
G03DApparatus for processing exposed photographic materials2%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices2%
PatentTitleYear
10,654,277Printing apparatus202010,654,291Printing apparatus20209,610,783'Light irradiation device and printing apparatus'20179,199,471'Liquid discharge apparatus'20159,022,514'Printing apparatus and printing method'20159,016,849'Electromagnetic wave irradiation device and image formation apparatus'20158,991,999'Liquid ejecting apparatus'20158,967,748'Printing device and printing method'20158,936,360'Image forming apparatus'20158,807,733'Electromagnetic irradiation device and image forming apparatus'20148,789,910'Image formation apparatus'20148,636,354'Liquid ejecting apparatus'20148,616,697'Electromagnetic wave irradiation device and image formation apparatus'20138,480,195'Printing device and printing method'20138,465,145'Fluid ejecting apparatus and image formation method'20138,454,117'Liquid ejecting apparatus'20138,353,590'Liquid ejecting apparatus'20138,297,729'Printing device and printing method'20128,240,837'Fluid ejecting apparatus and image formation method'20128,021,139'Three-dimensional object forming apparatus and method for forming three dimensional object'20117,862,320'Three-dimensional object forming apparatus and method for forming three dimensional object'20117,639,978'Belt nip type fixing device for image forming apparatus that varies a winding amount of a belt around a heating roller'20097,558,498'Fixing unit for an image forming apparatus controlling plural coils in rotating heating bodies'20097,187,896'Fixing device'20077,177,560'Method of warming fixing device, method of determining humidity value used in image formation apparatus, and image formation apparatus'20077,149,463'Fixing device'20067,097,898'Printed article and production method of the same'20067,092,665'Fixing apparatus having an exfoliating member and a restricting member'2006D0523067'Toner fixing unit'20066,839,537'Fixing device'20056,792,236'Fixing device for an image forming apparatus'20046,574,449'Image forming apparatus, and fixing device for use with the same'20036,505,028'Image forming apparatus and fixing device for use with the same'20036,459,877'Fixing device which prevents damage to a fixing belt'20026,185,380'Image forming apparatus having independent recording media discharge passages'20016,114,411'Ink composition for ink jet recording and ink jet recording process'20006,078,760'Image forming apparatus having an inverse and re-fixing sub-mode'20005,997,136'Ink jet recording method and apparatus therefor'19995,987,294'Toner fixing apparatus'19995,344,536'Method of and apparatus for processing a workpiece in plasma'19945,313,248'Heat protection of photosensitive elements in image formation apparatus'19945,254,214'Plasma taper etching for semiconductor device fabrication'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to TOKYO OHKA KOGYO CO LTD (2)· patent assignee history
1993–1994Based in Kanagawa, JP· patent location history
1994–2020Patents assigned to SEIKO EPSON CORP (40)· patent assignee history
1994–1999Based in Suwa, JP· patent location history
1999–2009Based in Nagano, JP· patent location history
2011–2020Based in Okaya, JP· patent location history
2012–2015Patents assigned to FUJISAWA KAZUTOSHI (10)· patent assignee history
2012–2013Patents assigned to KUMAGAI TOSHIO (2)· patent assignee history
2013–2014Patents assigned to HAYASHI YOSHIMITSU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP401994–2020
FUJISAWA KAZUTOSHIself102012–2015
HAYASHI YOSHIMITSU32013–2014
KUMAGAI TOSHIO22012–2013
TOKYO OHKA KOGYO CO LTD21993–1994
Locations
LocationPatentsSpan
Okaya, JP212011–2020
Nagano, JP171999–2009
Suwa, JP21994–1999
Kanagawa, JP21993–1994